We found 16 dictionaries that define the word tone deafness:

General (11 matching dictionaries)

1. tone deafness: Merriam-Webster
2. tone-deafness: Oxford Learner's Dictionaries
3. tone deafness: Collins English Dictionary
4. tone deafness: Vocabulary.com
5. tone-deafness: Wordnik
6. tone deafness: Dictionary.com
7. Tone Deafness, Tone deafness: Wikipedia, the Free Encyclopedia
8. tone deafness: Rhymezone
9. tone deafness: FreeDictionary.org
10. tone deafness: Mnemonic Dictionary
11. tone-deafness, tone deafness: TheFreeDictionary.com

Computing (1 matching dictionary)

12. tone-deafness, tone deafness: Encyclopedia

Medicine (4 matching dictionaries)

13. tone deafness: Merriam-Webster Medical Dictionary
14. Tone deafness: MedTerms.com Medical Dictionary
15. tone deafness: Medical dictionary
16. Tone deafness: Drug Medical Dictionary

(Note: See tone-deaf as well.)

Definitions from WordNet (tone deafness) ▸ noun:  an inability to distinguish differences in pitch ▸ Words similar to tone deafness ▸ Usage examples for tone deafness ▸ Idioms related to tone deafness ▸ Wikipedia articles (New!) ▸ Words that often appear near tone deafness ▸ Rhymes of tone deafness ▸ Invented words related to tone deafness